Home / 28,462.74-42,696.16-10,932.58

Finding the Fourth Proportional to 28,462.74, 42,696.16 and 10,932.58

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Solution

The fourth proportional to 28,462.74, 42,696.16 and 10,932.58 is: 16,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.74 : 42,696.16 = 10,932.58 : x
  2. Step 2: Convert to fraction form
    28,462.74/42,696.16 = 10,932.58/x
  3. Step 3: Cross multiply
    28,462.74x = 42,696.16 × 10,932.58
  4. Step 4: Simplify right side
    28,462.74x = 466,779,184.89
  5. Step 5: Solve for x
    x = 466,779,184.89/28,462.74
  6. Step 6: Final answer
    x = 16,399.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.